SDS-2

(Selected)
SDS / Quasar
series


This page contains philatelic information on (Selected) SDS (Satellite Data System) / Quasar series. Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

Launch information
(found elsewhere)
Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
SDS / Quasar
(USAF)
(Selected) SDS / Quasar
(USAF)
SDS / Quasar
(USAF)
SDS (on other than SDS launch covers)


Below is a list of SDS / Quasar-series postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Satellite Data System (SDS) / Quasar (USAF)
No (non-launch cover) postal items found


Below is a list of SDS / Quasar-series launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
(Selected) Satellite Data System (SDS) / Quasar (USAF)
1976-06-02: SDS-1
United States1976-06-02Lompoc CA, Vandenberg AFB(Vandy? green rubber-stamp) cachet on coverSDS-1 launch
United States1976-06-02Vandenberg AFB, CA(Space Voyage) cachet on coverSDS-1 launch
1976-08-06: SDS-2
United States1976-08-06Vandenberg AFB, CA(Space Voyage) cachet on coverSDS-2 launch
United States1976-08-06Vandenberg AFB, CA(Vandy?/DuBeau? green rubber-stamp) cachet on (airmail) coverSDS-2 launch
1978-08-05: SDS-3
United States1978-08-04Vandenberg AFB, CA(Space Voyage) cachet on coverSDS-3 launch
1989-08-08: SDS-2-1 (and GLOMR?/SSF from STS-28R)
United States1989-08-08Houston TX(Colorano silk) cachet on coverSTS-28R launch; SDS-2-1 deployed ("low-altitude spy satellite")
United States1989-08-08Houston TX(Boudwin magenta and green and black rubber-stamp) cachet on (airmail) coverSTS-28R launch; SDS-2-1 deployed ("classified satellites")
United States1989-08-08Houston TX(Boudwin purple and black rubber-stamp) cachet on (airmail) coverSTS-28R launch; SDS-2-1 deployed ("classified satellites")
United States1989-08-08Houston TX(Colorano silk) cachet on coverSTS-28R launch; SDS-2-1 deployed (not "KH-12", as in text)
United States1989-08-08Cape Canaveral FL(Boudwin green and blue and magenta rubber-stamp) cachet on (airmail) coverSTS-28R launch; SDS-2-1 deployed ("classified satellites")
United States1989-08-09Cape Canaveral FL(Boudwin green and black rubber-stamp) cachet on (airmail) cover"second day of flight" ("classified experiments")
United States1989-08-10Kennedy Space Center FL(Boudwin purple and black rubber-stamp) cachets on (airmail) cover"third day of flight" ("classified experiments")
United States1989-08-10Cape Canaveral FL(Boudwin magenta and black rubber-stamp) cachet on (airmail) cover"third day of flight" ("classified experiments")
United States1989-08-11Cape Canaveral FL(Boudwin purple and black rubber-stamp) cachet on (airmail) cover"fourth day of flight" ("classified experiments")
United States1989-08-12Kennedy Space Center FL(Boudwin blue and black rubber-stamp) cachet on (airmail) cover"fifth day of flight" ("classified experiments")
United States1989-08-12Cape Canaveral FL(Boudwin blue and black rubber-stamp) cachet on (airmail) cover"fifth day of flight" ("classified experiments")
1990-11-16: SDS-2-2 (and Prowler from STS-38)
United States1990-11-15Downey CA(Pictorial) cancel and (mission patch) cachet on coverSTS-38 launch
United States1990-11-15Kennedy Space Center FL(Titusville Moonport Stamp Club) cachet on coverSTS-38 launch
United States1990-11-15
1990-11-20
Kennedy Space Center FL
Kennedy Space Center FL
(Printed) cachet on coverSTS-38 launch
STS-38 landing
United States1990-11-20Kennedy Space Center FL(Titusville Moonport Stamp Club) cachet on coverSTS-38 landing
1992-12-02: SDS-2-3 (and ODERACS from STS-53)
United States1992-12-02Nassau Bay Branch, Houston TX(Colorano silk) cachet on coverSTS-53 launch ("classified Defense Dept. satellite")
United States1992-12-02Houston TX(Colorano silk) cachet (different) on coverSTS-53 launch ("classified satellite")
United States1992-12-02Kennedy Space Center FL(Mission patch) cachet on coverSTS-53 launch
United States1992-12-02Kennedy Space Center FL(Mission patch) cachet (slightly different) on coverSTS-53 launch
United States1992-12-02Kennedy Space Center FL(Colorano silk and medal) cachet on coverSTS-53 launch
United States1992-12-02Kennedy Space Center FL(Cyan rubber-stamp, including mission patch) cachet on coverSTS-53 launch
United States1992-12-02Nassau Bay Branch, Houston TX(Red rubber-stamp) cachet on coverSTS-53 launch
United States1992-12-02Houston TX(Orange and green printed) cachet on coverSTS-53 launch
United States1992-12-02
1992-12-09
Kennedy Space Center FL
Edwards AFB, CA
(Titusville Moonport Stamp Club) cachet on coverSTS-53 launch
STS-53 landing
United States1992-12-03Houston TX(orange and green printed) cachet on cover"FARE (In-Cabin Payload)"
United States1992-12-09Edwards AFB, CA(Colorano silk) cachet on coverSTS-53 landing ("classified military satellite")
United States1992-12-09Edwards AFB, CA(Titusville Moonport Stamp Club) cachet on coverSTS-53 landing
2011-03-11: SDS-3-6 / NROL-27
United States2011-03-11Cape Canaveral FL(Lollini) cachet on coverSDS-3-6 (NROL-27) launch
United States2011-03-11GSFC, Greenbelt MD(Printed) cachet on coverSDS-3-6 (NROL-27) launch
2012-06-20: SDS-3-7 / NROL-38
United States2012-06-20Cape Canaveral FL(Lollini) cachet on coverSDS-3-7 (NROL-38) launch
2016-07-28: SDS-4-1 / NROL-61
United States2016-07-28Cape Canaveral FL(Printed) cachet on coverSDS-4-1 (NROL-61) launch ("classified")
United States2016-07-28Cape Canaveral FL(Printed) cachet (different) on coverSDS-4-1 (NROL-61) launch ("classified spacecraft payload")
2017-10-15: SDS-4-2 / NROL-52
Finland2017-10-151Kerava(SV) cachet on coverSDS-4-2 (NROL-52) launch ("classified")
United States2017-10-15Cape Canaveral FL(Printed) cachet on coverSDS-4-2 (NROL-52) launch ("classified spacecraft payload")
SDS (on other than SDS launch covers)
United States1972-12-20Kennedy Space Center FL(Riser/Andromeda/Cygnus Cover no.43) cachet on Canyon-5 launch (airmail) cover"Satellite Data System" ("secret program [project] 313")

1These Kerava, Finland, cancels read "xx.xx.2117" in error, with year 2017 intended.


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